US4837702A - Electronic postage meter having an infinite loop lockout arrangement - Google Patents
Electronic postage meter having an infinite loop lockout arrangement Download PDFInfo
- Publication number
- US4837702A US4837702A US06/856,549 US85654986A US4837702A US 4837702 A US4837702 A US 4837702A US 85654986 A US85654986 A US 85654986A US 4837702 A US4837702 A US 4837702A
- Authority
- US
- United States
- Prior art keywords
- timer
- routine
- postage meter
- modulus
- program
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00314—Communication within apparatus, personal computer [PC] system, or server, e.g. between printhead and central unit in a franking machine
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00193—Constructional details of apparatus in a franking system
- G07B2017/00258—Electronic hardware aspects, e.g. type of circuits used
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00314—Communication within apparatus, personal computer [PC] system, or server, e.g. between printhead and central unit in a franking machine
- G07B2017/00322—Communication between components/modules/parts, e.g. printer, printhead, keyboard, conveyor or central unit
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00314—Communication within apparatus, personal computer [PC] system, or server, e.g. between printhead and central unit in a franking machine
- G07B2017/00338—Error detection or handling
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/856,549 US4837702A (en) | 1986-04-28 | 1986-04-28 | Electronic postage meter having an infinite loop lockout arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/856,549 US4837702A (en) | 1986-04-28 | 1986-04-28 | Electronic postage meter having an infinite loop lockout arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
US4837702A true US4837702A (en) | 1989-06-06 |
Family
ID=25323914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/856,549 Expired - Lifetime US4837702A (en) | 1986-04-28 | 1986-04-28 | Electronic postage meter having an infinite loop lockout arrangement |
Country Status (1)
Country | Link |
---|---|
US (1) | US4837702A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998203A (en) * | 1985-03-12 | 1991-03-05 | Digiulio Peter C | Postage meter with a non-volatile memory security circuit |
US5181245A (en) * | 1989-07-13 | 1993-01-19 | Pitney Bowes Plc. | Machine incorporating an accounts verification system |
US5276844A (en) * | 1991-08-05 | 1994-01-04 | Ascom Autelca Ltd. | Protection system for critical memory information |
US5388254A (en) * | 1992-03-27 | 1995-02-07 | International Business Machines Corporation | Method and means for limiting duration of input/output (I/O) requests |
US5438519A (en) * | 1993-02-10 | 1995-08-01 | Pitney Bowes Inc. | Electronic postage meter having memory write access second chance hard timer means |
US5864663A (en) * | 1996-09-12 | 1999-01-26 | United Technologies Corporation | Selectively enabled watchdog timer circuit |
US5940234A (en) * | 1994-02-08 | 1999-08-17 | Mobile Storage Technology Inc. | Head instability recovery method for a disk drive |
US5961622A (en) * | 1997-10-23 | 1999-10-05 | Motorola, Inc. | System and method for recovering a microprocessor from a locked bus state |
US20010044783A1 (en) * | 2000-02-16 | 2001-11-22 | Seth Weisberg | On-line value-bearing indicium printing using DSA |
US20020023057A1 (en) * | 1999-06-01 | 2002-02-21 | Goodwin Johnathan David | Web-enabled value bearing item printing |
US20020147873A1 (en) * | 2001-04-06 | 2002-10-10 | Kwon Jin Wook | Real time based system and method for monitoring the same |
US20020178354A1 (en) * | 1999-10-18 | 2002-11-28 | Ogg Craig L. | Secured centralized public key infrastructure |
US6868406B1 (en) | 1999-10-18 | 2005-03-15 | Stamps.Com | Auditing method and system for an on-line value-bearing item printing system |
US7149726B1 (en) | 1999-06-01 | 2006-12-12 | Stamps.Com | Online value bearing item printing |
US7233929B1 (en) | 1999-10-18 | 2007-06-19 | Stamps.Com | Postal system intranet and commerce processing for on-line value bearing system |
US7236956B1 (en) | 1999-10-18 | 2007-06-26 | Stamps.Com | Role assignments in a cryptographic module for secure processing of value-bearing items |
US7240037B1 (en) | 1999-10-18 | 2007-07-03 | Stamps.Com | Method and apparatus for digitally signing an advertisement area next to a value-bearing item |
US7490065B1 (en) * | 1999-10-18 | 2009-02-10 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US7567940B1 (en) | 1999-10-18 | 2009-07-28 | Stamps.Com | Method and apparatus for on-line value-bearing item system |
US9779556B1 (en) | 2006-12-27 | 2017-10-03 | Stamps.Com Inc. | System and method for identifying and preventing on-line fraud |
US11140278B2 (en) | 2006-12-27 | 2021-10-05 | Stamps.Com Inc. | Postage printer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405982A (en) * | 1979-11-15 | 1983-09-20 | Wabco Fahrzeugbremsen Gmbh | Arrangement for monitoring the function of a programmable electronic switching circuit |
US4551813A (en) * | 1981-11-30 | 1985-11-05 | Tokyo Shibaura Denki Kabushiki Kaisha | Jam detector |
US4710883A (en) * | 1985-03-12 | 1987-12-01 | Pitney Bowes Inc. | Electronic postage meter having a status monitor |
-
1986
- 1986-04-28 US US06/856,549 patent/US4837702A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405982A (en) * | 1979-11-15 | 1983-09-20 | Wabco Fahrzeugbremsen Gmbh | Arrangement for monitoring the function of a programmable electronic switching circuit |
US4551813A (en) * | 1981-11-30 | 1985-11-05 | Tokyo Shibaura Denki Kabushiki Kaisha | Jam detector |
US4710883A (en) * | 1985-03-12 | 1987-12-01 | Pitney Bowes Inc. | Electronic postage meter having a status monitor |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998203A (en) * | 1985-03-12 | 1991-03-05 | Digiulio Peter C | Postage meter with a non-volatile memory security circuit |
US5181245A (en) * | 1989-07-13 | 1993-01-19 | Pitney Bowes Plc. | Machine incorporating an accounts verification system |
US5276844A (en) * | 1991-08-05 | 1994-01-04 | Ascom Autelca Ltd. | Protection system for critical memory information |
US5388254A (en) * | 1992-03-27 | 1995-02-07 | International Business Machines Corporation | Method and means for limiting duration of input/output (I/O) requests |
US5438519A (en) * | 1993-02-10 | 1995-08-01 | Pitney Bowes Inc. | Electronic postage meter having memory write access second chance hard timer means |
US5940234A (en) * | 1994-02-08 | 1999-08-17 | Mobile Storage Technology Inc. | Head instability recovery method for a disk drive |
US5864663A (en) * | 1996-09-12 | 1999-01-26 | United Technologies Corporation | Selectively enabled watchdog timer circuit |
US5961622A (en) * | 1997-10-23 | 1999-10-05 | Motorola, Inc. | System and method for recovering a microprocessor from a locked bus state |
US7149726B1 (en) | 1999-06-01 | 2006-12-12 | Stamps.Com | Online value bearing item printing |
US20020023057A1 (en) * | 1999-06-01 | 2002-02-21 | Goodwin Johnathan David | Web-enabled value bearing item printing |
US7240037B1 (en) | 1999-10-18 | 2007-07-03 | Stamps.Com | Method and apparatus for digitally signing an advertisement area next to a value-bearing item |
US7490065B1 (en) * | 1999-10-18 | 2009-02-10 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US6868406B1 (en) | 1999-10-18 | 2005-03-15 | Stamps.Com | Auditing method and system for an on-line value-bearing item printing system |
US8498943B2 (en) | 1999-10-18 | 2013-07-30 | Stamps.Com | Secure and recoverable database for on-line value-bearing item system |
US8301572B2 (en) | 1999-10-18 | 2012-10-30 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US7216110B1 (en) | 1999-10-18 | 2007-05-08 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US7233929B1 (en) | 1999-10-18 | 2007-06-19 | Stamps.Com | Postal system intranet and commerce processing for on-line value bearing system |
US7236956B1 (en) | 1999-10-18 | 2007-06-26 | Stamps.Com | Role assignments in a cryptographic module for secure processing of value-bearing items |
US8041644B2 (en) * | 1999-10-18 | 2011-10-18 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US8027926B2 (en) | 1999-10-18 | 2011-09-27 | Stamps.Com | Secure and recoverable database for on-line value-bearing item system |
US8027927B2 (en) * | 1999-10-18 | 2011-09-27 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US20100228674A1 (en) * | 1999-10-18 | 2010-09-09 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US7392377B2 (en) | 1999-10-18 | 2008-06-24 | Stamps.Com | Secured centralized public key infrastructure |
US20020178354A1 (en) * | 1999-10-18 | 2002-11-28 | Ogg Craig L. | Secured centralized public key infrastructure |
US7567940B1 (en) | 1999-10-18 | 2009-07-28 | Stamps.Com | Method and apparatus for on-line value-bearing item system |
US7613639B1 (en) | 1999-10-18 | 2009-11-03 | Stamps.Com | Secure and recoverable database for on-line value-bearing item system |
US20100070765A1 (en) * | 1999-10-18 | 2010-03-18 | Ogg Craig L | Secure and recoverable database for on-line value-bearing item system |
US7752141B1 (en) * | 1999-10-18 | 2010-07-06 | Stamps.Com | Cryptographic module for secure processing of value-bearing items |
US20070299684A1 (en) * | 2000-02-16 | 2007-12-27 | Goodwin Jonathan D | Secure on-line ticketing |
US7299210B2 (en) | 2000-02-16 | 2007-11-20 | Stamps.Com | On-line value-bearing indicium printing using DSA |
US7257542B2 (en) | 2000-02-16 | 2007-08-14 | Stamps.Com | Secure on-line ticketing |
US20010044783A1 (en) * | 2000-02-16 | 2001-11-22 | Seth Weisberg | On-line value-bearing indicium printing using DSA |
US10580222B2 (en) | 2000-02-16 | 2020-03-03 | Stamps.Com Inc. | Secure on-line ticketing |
US20020147873A1 (en) * | 2001-04-06 | 2002-10-10 | Kwon Jin Wook | Real time based system and method for monitoring the same |
US6907540B2 (en) * | 2001-04-06 | 2005-06-14 | Lg Electronics Inc. | Real time based system and method for monitoring the same |
US9779556B1 (en) | 2006-12-27 | 2017-10-03 | Stamps.Com Inc. | System and method for identifying and preventing on-line fraud |
US10621580B1 (en) | 2006-12-27 | 2020-04-14 | Stamps.Com Inc. | System and method for identifying and preventing on-line fraud |
US11140278B2 (en) | 2006-12-27 | 2021-10-05 | Stamps.Com Inc. | Postage printer |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: PITNEY BOWES INC., WALTER H. WHEELER, JR., DRIVE, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:OBREA, LIANA;REEL/FRAME:004543/0930 Effective date: 19860418 Owner name: PITNEY BOWES INC., A CORP OF DE.,CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:OBREA, LIANA;REEL/FRAME:004543/0930 Effective date: 19860418 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19930606 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FPAY | Fee payment |
Year of fee payment: 8 |
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FPAY | Fee payment |
Year of fee payment: 12 |
|
REMI | Maintenance fee reminder mailed |